Patents by Inventor Peter Gyori

Peter Gyori has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Preparation of 6-keto-7-oxo-PGF.sub.1.alpha. -derivatives
    Patent number: 4429123
    Abstract: The present invention relates to a process for the preparation of compounds of the general Formula I ##STR1## (wherein A is a straight or branched chain alkylene group having 1-5 carbon atoms;B is ethylene, Z or E vinylene, or ethynylene;R.sup.1 stands for hydrogen, an alkyl group having 1-5 carbon atoms or a pharmaceutically acceptable cation;R.sup.2 is hydrogen, an alkanoyl group having 1-5 carbon atoms or aroyl;R.sup.3 is hydrogen or methyl;R.sup.4 is a straight or branched chain alkyl group having 1-8 carbon atoms or an optionally monosubstituted aryloxymethyl group;R.sup.5 stands for hydrogen or an alkyl group having 1-5 carbon atoms)which comprises oxidizing a compound of the Formula III, IV or V ##STR2## or a mixture thereof R.sup.6 is hydrogen or an alkyl or alkanoyl group having 1-5 carbon atoms with a mild electrophilic oxidizing agent and if desired reacting the compound of the Formula I thus obtained wherein R.sup.
    Type: Grant
    Filed: April 13, 1982
    Date of Patent: January 31, 1984
    Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyara R.T.
    Inventors: Istvan Tomoskozi, Istvan Szekely, Karoly Kanai, Peter Gyori, Gabor Kovacs